10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control 6in diameter Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 17 3/4" x 1"

For 8" duct opening

Actual Filter Size – 19 3/4"w x 24 3/4" x 1"

Actual Filter Size – 31 3/4"w x 33 3/4" x 1"

75"H – fits a 16" X 6" duct opening

10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control 6in diameter Actual Filter Size – 31+ Product Details Size 10" X 10" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will